<template>
  <el-container class="main-container">
    <!-- 头部区域 -->
    <el-header>
      <!-- 左侧的 logo -->
      <img src="../../assets/images/logo.png" alt="" />
      <!-- 右侧的菜单 -->
      <el-menu
        default-active="/home"
      class="el-menu-vertical-demo"
     background-color="#23262E"
    text-color="#fff"
     active-text-color="#409EFF"
     router
      >
        <el-submenu index="1">
          <template slot="title">
            <!-- 头像 -->
            <img v-if="userInfo.user_pic" :src="userInfo.user_pic" alt=""  class="tutu"/>
            <img v-else src="../../assets/images/logo.png" alt="" class="tutu" />
            <span>个人中心</span>
          </template>
          <el-menu-item index="1-1"><i class="el-icon-s-operation"></i>基本资料</el-menu-item>
          <el-menu-item index="1-2"><i class="el-icon-camera"></i>更换头像</el-menu-item>
          <el-menu-item index="1-3"><i class="el-icon-key"></i>重置密码</el-menu-item>
        </el-submenu>
        <el-menu-item index="2"  @click="quit"><i class="el-icon-switch-button"></i>退出</el-menu-item>
      </el-menu>
    </el-header>
    <el-container>
      <!-- 侧边栏区域 -->
      <el-aside width="200px">
        <div class="user-box">
            <img v-if="userInfo.user_pic" :src="userInfo.user_pic" alt="" />
            <img v-else src="../../assets/images/logo.png" alt="" />

            <span>欢迎{{userInfo.nickname || userInfo.username }}</span>
            </div>
             <el-menu
      default-active="2"
      class="el-menu-vertical-demo"
    >
      <el-submenu index="1">
        <template slot="title">
          <i class="el-icon-location"></i>
          <span>导航一</span>
        </template>
        <el-menu-item-group>
          <template slot="title">分组一</template>
          <el-menu-item index="1-1">选项1</el-menu-item>
          <el-menu-item index="1-2">选项2</el-menu-item>
        </el-menu-item-group>
        <el-menu-item-group title="分组2">
          <el-menu-item index="1-3">选项3</el-menu-item>
        </el-menu-item-group>
        <el-submenu index="1-4">
          <template slot="title">选项4</template>
          <el-menu-item index="1-4-1">选项1</el-menu-item>
        </el-submenu>
      </el-submenu>
      <el-menu-item index="2">
        <i class="el-icon-menu"></i>
        <span slot="title">导航二</span>
      </el-menu-item>
      <el-menu-item index="3" disabled>
        <i class="el-icon-document"></i>
        <span slot="title">导航三</span>
      </el-menu-item>
      <el-menu-item index="4">
        <i class="el-icon-setting"></i>
        <span slot="title">导航四</span>
      </el-menu-item>
    </el-menu>
        </el-aside>
      <el-container>
        <!-- 页面主体区域 -->
        <el-main>
          Main.vue后台主页
        </el-main>
        <!-- 底部 footer 区域 -->
        <el-footer>© www.itheima.com - 黑马程序员</el-footer>
      </el-container>
    </el-container>
  </el-container>
</template>

<script>
import { mapState } from 'vuex'
// 退出登录
// 1.退出登录按钮被点击
// 2.弹出提示框
// 3.用户点击确定，弹出提示消息，清空token,跳转到登录页

// 用户头像信息
// 1.在vuex里向服务器发送请求
// 2.在当前组件通过辅助函数获取，渲染到页面

export default {
  name: 'Main',
  created () {
    this.$store.dispatch('user/getUserInfo')
  },
  methods: {
    quit () {
      this.$confirm('确认退出吗？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          this.$message.success('退出成功')
          this.$store.commit('user/getToken', '')
          this.$router.push('/login')
        })
        .catch(e => e)
    }
  },
  computed: {
    ...mapState('user', ['userInfo'])
  }
}
</script>

<style lang="less" scoped>
.main-container {
  height: 100%;
  .el-header,
  .el-aside {
    background-color: #23262e;
  }
  .el-header {
    padding: 0;
    display: flex;
    justify-content: space-between;
  }
  .el-main {
    overflow-y: scroll;
    height: 0;
    background-color: #F2F2F2;
  }
  .el-footer {
    background-color: #eee;
    font-size: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
}

.avatar {
  border-radius: 50%;
  width: 35px;
  height: 35px;
  background-color: #fff;
  margin-right: 10px;
  object-fit: cover;
}
.user-box {
  height: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-top: 1px solid #000;
  border-bottom: 1px solid #000;
  user-select: none;
  img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: #fff;
    margin-right: 15px;
    object-fit: cover;
  }
  span {
    color: white;
    font-size: 12px;
  }
}
.tutu {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: #fff;
    margin-right: 15px;
    object-fit: cover;
}
</style>
